SOL is an extension attached to a 2-D representation of the bottom copper layer from a printed circuit board (PCB). SOL is part of the Gerber family of extensions, which represents the de facto standard in the PCB industry. Other similar formats include CMP, STS, STC — to name just a few. Gerber files contain descriptions of various board details, such as electrical connections, copper layers, solder masks, silkscreen data etc.
The quick and simple way to handle your files is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch conversions. As you will soon realize, reaConverter will help you avoid spending countless hours trying to figure out how to convert multiple SOL files as once.
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